|
Title |
Description |
| Ideas about
electric charge |
Charge as a fundamental property of electrons and protons.
Current as a flow of charge. Q = I x t and E = V xQ Problems
on these ideas. AS Physics 40S, 50S, 60S |
| Ohm's Law |
Ideas about Ohmic and non ohmic
components. AS Physics 150S, 190D, 270D |
| Resistance and
conductance |
Relationship between resistance and
conductance, resistivity and conductivity.
Calculations Combining resistors in series and parallel.
AS Physics 125S, 130S, 140S |
| The potential
divider |
Idea that two resistors in series share
the supply voltage in the ratio of their resistance values.
Sharing voltage
calculations. |
| Sensing
circuits |
A simple light sensing circuit -
definition of sensitivity -
practical task.
Presentation
Team task on building and testing a real sensor. Alternative
team tasks |
| Characteristics
of sensors |
Resolution and sensitivity -
analysis of a range of circuits,
calculations for some real sensing circuits. |
| Internal
resistance |
Measurement of the internal resistance of
a power supply -
practical task.
Calculations |
| Electric Power |
P=VI and alternative forms of the
equation. Calculations. |
| Uncertainties |
Rules for dealing with uncertainties,
uncertainties examples,
uncertainties practical task |
| |
Checklist for Chapter 2 |
| Quality of
measurement coursework task |
Topic list,
Planning sheet,
powerpoint - halfway stage,
Notes on writing the report |
| |
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